AERCO Modulex E8 Controller (and BCM) For Modulex EXT Boilers - Manual (Page 97)

E8 Controller and BCM for Modulex EXT
Installation, Operation & Maintenance Manual
CHAPTER 9: BCM MODBUS AND ADDRESS ASSIGNMENTS
OMM-0093_0A AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 97 of 108
GF-136-C Ph.: 800-526-0288 PRI: 06/24/2013
Table 9-4: BCM Standard Holding Register Address Mapping (Continued)
Modbus Data
Address
Menu Item Units and Range
Default
(Comments)
SETTINGS (Continued)
3007
Pump Modulation
Output @
Minimum Burner
Level
0 – 10V
(Value x 10)
(Read/Write)
3V
3008
Pump Modulation
Output @
Maximum Burner
Level
0 – 10V
(Value x 10)
(Read/Write)
10V
3009
Burner Minimum
Modulation Level
0 – 100%
(Read/Write)
35%
3010
Water Δ Temp.
Protection
0°F/2°F – 90°F
(0°C/1°C-50°C)
(Read/Write)
36°F
3011
Communication
Timeout Time
0/10 – 240 sec. (in 10 sec.
intervals)
0 = Disable
(Read/Write)
30 sec.
3012
Temperature
Limits
0/1; 0 =°C, 1 = °F 1 = °F
3013
Analog Input
Function
0/1; 0 = Setpoint Adjust,
1 = Outdoor Temp Sensor
(Read/Write)
0
3014 (Not Used)
3015
Maximum Target
Temperature
113°F to 185°F
(45°C to 85°C
(Read/Write)
180°F
3050 Application Code 0/1
0 = Burners Array
1 = Standalone Burners
3051 Services Enable 0-255
0 = None
1 = CH
2 = Frost Protection
3 = CH & Frost Protect
TEST REGISTERS
1040 Test Mode Control
enum (0xA5/0x5A)
0xA5: Test mode release
0x5A: Test mode request
(Write Only)
This command is only
executed in Standby
mode. The other Write
messages are executed
only in Test mode.